Plant Closure Provisions (Tables)

12 Months Ended

Dec. 31, 2021

Restructuring and Related Activities [Abstract]

Movements in Plant Closure and Restructuring Provisions

Movements in the provisions are summarized as follows:

(in millions)	2021			2020			2019
Total at January 1	$	58.5		$	49.3		$	49.5
Charge for the period excluding restructuring		3.9			5.1			4.4
Restructuring (see Note 5)		—			7.5			—
Utilized in the period		(5.3	)		(4.1	)		(4.4	)
Exchange effect		(0.6	)		0.7			(0.2	)
Total at December 31		56.5			58.5			49.3
Due within one year		(5.2	)		(6.6	)		(5.6	)
Due after one year	$	51.3		$	51.9		$	43.7